Home / 3,188.24-4,775.04-2,215.04

Finding the Fourth Proportional to 3,188.24, 4,775.04 and 2,215.04

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Solution

The fourth proportional to 3,188.24, 4,775.04 and 2,215.04 is: 3,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.24 : 4,775.04 = 2,215.04 : x
  2. Step 2: Convert to fraction form
    3,188.24/4,775.04 = 2,215.04/x
  3. Step 3: Cross multiply
    3,188.24x = 4,775.04 × 2,215.04
  4. Step 4: Simplify right side
    3,188.24x = 10,576,904.60
  5. Step 5: Solve for x
    x = 10,576,904.60/3,188.24
  6. Step 6: Final answer
    x = 3,317.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.